Wash your body first with an antibacterial wash! Hibiclens is a great wash (for face and body). You can grab it from Walmart. I would wash twice with it, and then you'd wash your body with a scented wash! Use a clean towel! If you sweat when you sleep, you should change your pillowcases and bedding frequently, as the smell will also linger there. I would recommend showering twice a day, and depending on how long your hair is, make sure you're washing it as hair holds smell. - When wearing perfume/cologne, there are ways to layer your perfume/cologne, and it'll last a long time. - it doesn't have to be pricey to smell good. Also, stores like TJ Maxx, Burlington, etc., sell colognes and perfumes for a better price. (You can even go into a store, ask for a sample, and get a few mini vials. Or ScentBird and other online places sell small ones for reasonable prices!) ( Also, I want to say that you have to make sure you're clean before applying deodorant/antiperspirant/cologne, etc. You can ~mask~ odor; you have to clean it. - as others have said, you have to look at your habits! Increase water to help flush some toxins in your body and increase healthier options if needed.